... 17-4ph 2.OEM , machining, assemble service are available ss artificial body parts1.ISO9001:2000 Approved2.technique:silical sol technique3 ... dimension control7.tolerance:ISO8062 CT4-68.Weight range:0.05--50kg9.Application:industrial parts,machinery parts,valve parts,train, ... , 15CrNi6, 16MnCr5, 42CrMo4, 35CrMo, 40Cr etcsizeAccording to customers' requirementdesignpacking ss artificial body parts